In addition to timestamping your domain class, you can tap into four event hooks: beforeInsert, befortUpdate, beforeDelete, and onLoad.

除了给域类添加时间戳，还可以引入4 个事件挂钩：beforeInsert、befortUpdate、beforeDelete和onload。

youdao

Timestamping a record is done many times throughout the life of a transaction for recording the time a transaction was created, was last modified, was last accessed, and so on.

在一个事务的整个生命周期内，需要多次记录时间戳，以便记下创建、最后一次修改、最后一次访问某一事务的时间。

youdao

Timestamping a record is done many times throughout the life of a transaction for recording the time a transaction was created, was last modified, was last accessed, and so on.

在一个事务的整个生命周期内，需要多次记录时间戳，以便记下创建、最后一次修改、最后一次访问某一事务的时间。

youdao